Author(s): Chen, YL (Chen, Young-Long); Lin, YS (Lin, Yung-Sheng); Wang, JW (Wang, Jyu- Wei); Wen, JH (Wen, Jyh-Horng)
Title: Adaptive fuzzy-based rate management and power control in multimedia CDMA cellular systems
Source: COMPUTER COMMUNICATIONS, 31 (10): 1901-1910 JUN 25 2008 Language: English
Document Type: Article
Author Keywords: adaptive fuzzy-based; power control; transmission rate KeyWords Plus: MOBILE SYSTEMS; RADIO SYSTEMS; PERFORMANCE
Abstract: In the literature, a number of fuzzy-based power control schemes have been proposed for systems with a single rate. However, emerging CDMA cellular systems are expected to include multimedia services. In such systems, different services have different quality of service (QoS) requirements, such as minimum transmission rates and tolerable delays. This paper introduces an adaptive fuzzy-based controller to integrate power control and transmission rate management for multimedia services in CDMA cellular systems.
Simulation results show that the novel scheme is superior to other fuzzy-based or balanced power control schemes proposed for single rate. We also compare our scheme to a multi-rate scheme called the selective power control (SPC) scheme. Results show that our scheme call achieve better performance in several measurements, such as outage probability, average transmission rates, probability of unsuccessful transmissions, and probability of changes in transmission rates. (C) 2008 Elsevier B.V. All rights reserved.
Addresses: [Wen, Jyh-Horng] Tunghai Univ, Dept Elect Engn, Taichung 407, Taiwan; [Chen, Young-Long] Chien Kuo Technol Univ, Dept Elect Engn, Changhua 500, Taiwan; [Lin, Yung- Sheng] Quanta Comp Inc, Tao Yuan 333, Taiwan; [Wang, Jyu-Wei] Asia Univ, Dept Comp &
Commun Engn, Taichung 413, Taiwan
Reprint Address: Wen, JH, Tunghai Univ, Dept Elect Engn, 181,Sect 3,Taichung Harbor Rd, Taichung 407, Taiwan.
E-mail Address: [email protected]
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Publisher: ELSEVIER SCIENCE BV
Publisher Address: PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS ISSN: 0140-3664
DOI: 10.1016/j.comcom.2007.12.018
29-char Source Abbrev.: COMPUT COMMUN ISO Source Abbrev.: Comput. Commun.
Source Item Page Count: 10
Subject Category: Computer Science, Information Systems; Engineering, Electrical &
Electronic; Telecommunications ISI Document Delivery No.: 331TQ
